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Carbon fibre fender vents, a carbon fibre airbox, an Aeroflow Performance rear spoiler with carbon fibre upper and distinctive W1 badging let the world know you?8099re about to unleash something incredibly special. Filling every inch of the car?8099s engine bay is a hand-built, 6.2 litre, supercharged LS9 Generation IV alloy V8. The pinnacle of 30 years of HSV engineering, this fire-breathing powerplant is fitted with titanium connecting rods and inlet valves, a dry sump oiling system, and a supercharger with twin four-lobe rotors that pumps 2.3 litres of air per revolution. The result is a mind-blowing 474kW of power and 815Nm of torque. On hand to make the most of all that power is a close-ratio Tremec TR-6060 (MH3 spec.) 6-speed manual transmission that?8099s been specially designed to optimise track performance and improve driveability. The GTSR W1 also boasts 20?809Dx9?809D (front) & 20?809Dx10?809D (rear) SV Panorama forged alloy wheels finished in Matte Black and wrapped in specially selected Pirelli P Zero Trofeo R* track tyres that help deliver incredible traction, blistering standing starts and outstanding mid-corner grip. Put simply, the GTSR W1 is as close to a supercar as it gets. A unique W1 I.D. plate along with W1 badging on the key fob, sill plates and headrests let you know you?8099re stepping into the cockpit of a machine that?8099s been designed to deliver race-track exhilaration.